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学生们用黄色、蓝色或橙色的钢笔或铅笔标出主要思想和重要细节。
Students mark the main ideas and important details with a pen or pencil, yellow or blue or orange.
youdao
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学生们用黄色、蓝色或橙色的钢笔或铅笔标出主要思想和重要细节。
Students mark the main ideas and important details with a pen or pencil, yellow or blue or orange.
youdao